The European Ombudsman dealt with more than 30000 complaints and opened almost 3500 investigations into alleged maladministration in the EU administration during his ten years in office. In 2012 alone, he received 2442 complaints (2510 in 2011) and opened a record number of 465 inquiries (396 in 2011). Most of the 2012 inquiries were about lack of transparency (21,5%), including refusal to release documents or information.